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How to see query history in SQL Server Management Studio
...ovic commented, it might be helpful to join on sys.dm_exec_query_stats and order by last_execution_time:
SELECT t.[text], s.last_execution_time
FROM sys.dm_exec_cached_plans AS p
INNER JOIN sys.dm_exec_query_stats AS s
ON p.plan_handle = s.plan_handle
CROSS APPLY sys.dm_exec_sql_text(p.plan_hand...
Why is nginx responding to any domain name?
...erridden it with the default_server directive elsewhere.
The alphabetical order of the file names of the conf files for the other servers becomes irrelevant in this case.
In addition, this arrangement gives a lot of flexibility in that it is possible to define multiple defaults.
In my specific ca...
How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...ize of the key
Lookup can take less than k time if it's not there
Supports ordered traversal
No need for a hash function
Deletion is straightforward
New operations:
You can quickly look up prefixes of keys, enumerate all entries with a given prefix, etc.
Advantages of linked structure:
If th...
How to change language settings in R
...
@0range did you try cd \ and dir Rconsole /s in order to look for multiple files?
– Alessandro Jacopson
Apr 1 at 6:50
...
How to replace multiple strings in a file using PowerShell
...ssue is that I had to read the entire file contents to a variable first in order to use the same source/destination file paths.
– angularsen
May 19 '15 at 11:25
...
How to set environment variable for everyone under my linux system?
...it
looks for ~/.bash_profile,
~/.bash_login, and ~/.profile, in that
order, and reads and executes commands
from the first one that exists and is
readable. The --noprofile option may
be used when the shell is started to
inhibit this behavior.
...
When an
interactive shell that is...
Does Java read integers in little endian or big endian?
...
Use the network byte order (big endian), which is the same as Java uses anyway. See man htons for the different translators in C.
share
|
improv...
No == operator found while comparing structs in C++
...rs are to arrays and of how many objects/bytes needing comparison)
whether order matters when comparing unsorted containers (e.g. vector, list), and if so whether it's ok to sort them in-place before comparing vs. using extra memory to sort temporaries each time a comparison is done
how many array e...
Single Line Nested For Loops
... the same as this nested for loop (and, as the tutorial says, note how the order of for and if are the same).
>>> combs = []
>>> for x in [1,2,3]:
... for y in [3,1,4]:
... if x != y:
... combs.append((x, y))
...
>>> combs
[(1, 3), (1, 4), (2, 3), ...
Performance surprise with “as” and nullable types
...estingly, I passed on feedback about operator support via dynamic being an order-of-magnitude slower for Nullable<T> (similar to this early test) - I suspect for very similar reasons.
Gotta love Nullable<T>. Another fun one is that even though the JIT spots (and removes) null for non-nu...